19290076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{907}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 36483440

約数和(自身を除く): 17193364

約数列:

[1, 2, 4, 13, 26, 52, 409, 818, 907, 1636, 1814, 3628, 5317, 10634, 11791, 21268, 23582, 47164, 370963, 741926, 1483852, 4822519, 9645038, 19290076]

約数ペア:

[(1, 19290076), (2, 9645038), (4, 4822519), (13, 1483852), (26, 741926), (52, 370963), (409, 47164), (818, 23582), (907, 21268), (1636, 11791), (1814, 10634), (3628, 5317)]